A construction crew is lengthening a road. Lety represent the total length of the road (in miles). Letx represent the number of days the crew has worked. Suppose thatxandy are related by the equation53 + 2x = y

.

Note that a change can be an increase or a decrease.

For an increase, use a positive number. For a decrease, use a negative number.

1 - What was the roads length when the crew started working?

2 - What is the change per day in the roads length?